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Safely detect and set database collation dynamically to avoid CHARSET… #62

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Safely detect and set database collation dynamically to avoid CHARSET… #62

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55 changes: 44 additions & 11 deletions install_manager.php
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Original file line number Diff line number Diff line change
Expand Up @@ -121,6 +121,39 @@ function doInstall(&$POSTJ){

if (mysqli_connect_errno())
echo json_encode(['error' => "Connection failed: " . mysqli_connect_error()]);

/* --------------------------------
AUTO-DETECT DB TYPE & COLLATION
--------------------------------- */

function detectDatabaseCollation($conn)
{
$info = strtolower(mysqli_get_server_info($conn));

// Safe default for MariaDB & MySQL < 8
$collation = 'utf8mb4_unicode_ci';

// MariaDB detection
if (strpos($info, 'mariadb') !== false) {
return $collation;
}

// MySQL version detection
if (preg_match('/(\d+)\./', $info, $matches)) {
$major = (int)$matches[1];

// MySQL 8+
if ($major >= 8) {
return 'utf8mb4_0900_ai_ci';
}
}

return $collation;
}

mysqli_set_charset($conn, 'utf8mb4');
$DB_COLLATION = detectDatabaseCollation($conn);

else
{
$file_contents = '<?php
Expand Down Expand Up @@ -211,7 +244,7 @@ function createTables($conn){
CREATE TABLE `tb_access_ctrl` (
`tk_id` varchar(11) NOT NULL,
`ctrl_ids` varchar(111) DEFAULT NULL
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_0900_ai_ci;
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE'.$DB_COLLATION.';

-- --------------------------------------------------------

Expand All @@ -224,7 +257,7 @@ function createTables($conn){
`mconfig_name` varchar(50) DEFAULT NULL,
`mconfig_data` mediumtext DEFAULT NULL,
`date` varchar(50) DEFAULT NULL
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_0900_ai_ci;
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE'.$DB_COLLATION.';

-- --------------------------------------------------------

Expand Down Expand Up @@ -349,7 +382,7 @@ function createTables($conn){
`platform` mediumtext DEFAULT NULL,
`device_type` mediumtext DEFAULT NULL,
`all_headers` mediumtext DEFAULT NULL
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_0900_ai_ci;
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE'.$DB_COLLATION.';

-- --------------------------------------------------------

Expand Down Expand Up @@ -426,7 +459,7 @@ function createTables($conn){
`file_original_name` varchar(111) DEFAULT NULL,
`file_header` varchar(111) NOT NULL,
`date` varchar(111) NOT NULL
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_0900_ai_ci;
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE'.$DB_COLLATION.';

-- --------------------------------------------------------

Expand All @@ -439,7 +472,7 @@ function createTables($conn){
`page_name` mediumtext DEFAULT NULL,
`page_file_name` varchar(111) DEFAULT NULL,
`date` varchar(111) DEFAULT NULL
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_0900_ai_ci;
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE'.$DB_COLLATION.';

-- --------------------------------------------------------

Expand All @@ -454,7 +487,7 @@ function createTables($conn){
`file_extension` varchar(111) DEFAULT NULL,
`file_header` varchar(111) DEFAULT NULL,
`date` varchar(111) DEFAULT NULL
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_0900_ai_ci;
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE'.$DB_COLLATION.';

-- --------------------------------------------------------

Expand All @@ -468,7 +501,7 @@ function createTables($conn){
`log` text DEFAULT NULL,
`ip` varchar(55) DEFAULT NULL,
`date` varchar(111) DEFAULT NULL
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_0900_ai_ci;
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE'.$DB_COLLATION.';

-- --------------------------------------------------------

Expand Down Expand Up @@ -499,7 +532,7 @@ function createTables($conn){
CREATE TABLE `tb_main_cron` (
`id` int(11) NOT NULL,
`pid` int(111) DEFAULT NULL
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_0900_ai_ci;
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE'.$DB_COLLATION.';

-- --------------------------------------------------------

Expand All @@ -514,7 +547,7 @@ function createTables($conn){
`baseurl` varchar(111) DEFAULT NULL,
`time_zone` varchar(111) DEFAULT NULL,
`time_format` varchar(222) DEFAULT NULL
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_0900_ai_ci;
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE'.$DB_COLLATION.';

-- --------------------------------------------------------

Expand All @@ -529,7 +562,7 @@ function createTables($conn){
`pl_type` varchar(111) DEFAULT NULL,
`pl_sub_type` varchar(111) DEFAULT NULL,
`date` varchar(111) DEFAULT NULL
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_0900_ai_ci;
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE'.$DB_COLLATION.';

-- --------------------------------------------------------

Expand All @@ -542,7 +575,7 @@ function createTables($conn){
`name` varchar(111) NOT NULL,
`info` varchar(700) DEFAULT NULL,
`content` mediumtext DEFAULT NULL
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_0900_ai_ci;
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE'.$DB_COLLATION.';

--
-- Indexes for dumped tables
Expand Down